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Inspection System OPTISORT W


OTW 800


Conical washer


LineScan of the conical washer


Inspection system with eddy current (red coin)


The EC is integrated in the
programm of OPTISORT 
and will shown on the 
existing monitor.



OTW 800 with SFS



GEFRA is developing and manufacturing the well known brand OPTISORT since more than 20 years. Most oft the successful fastener companies world wide are using OPTISORT for quality control.

The high demands oft the end customer makes it neccessary to expand the possibilities oft the inspecting criterias. Today it is not enough to measure the parts and inspect the surface for scratches, coating defects and cracks.

The options which GEFRA is offering for the high demands are:
- LineScan for measuring the flatness of stamping parts
- Eddy current for checking hardness
- SFS for inspecting smallest surface defects

All these aditional functions can be added to the standard inspection system without loosing capacity and with the same easy handling as the customer are used with the AutoContro l software.

During the optical inspection the control for hardness yes / not will be done with a coin for for stamping parts. The structure oft he parts will continiusly inspected with 8 frequenses up to 500 parts per minute.
The calibration is easy and userfriendly.

The EC is integrated in the programm of OPTISORT and will shown on the existing monitor.

Shape from shading "SFS"
In the shape-from-shading method, four grey value images of a surface are taken with illumination from various directions in space. Using the differences in the grey values, images of the surface are calculated which reflect the spatial structure, as well as texture. However, with the shape-from-shading process you do not receive any explicit height values, but only information regarding incline and curvature of the surface. For his reason, this technique is quite suitable for surface inspection.

The big advantage of shape-from-shading is in the fact that with highly reflective surfaces, topology features can be clearly separated from texture (brightness) characteristics and high-resolution intensity images can be created.